You're probably looking for the word same.
puzzle
What is a lunar cycle
Recess
A synonym for plains is "prairies."
A synonym for a globe is a sphere.
Polite, courteous, gallant, respectful
synonim=? antonim= Sanity
A synonym for tips, referring to a server's tips, would be a gratuity.
exact
If you mean "good synonim for", it´s " faeces "; if you want a real translation of it, you´d have to hint the language you need it in.
Program Counter is just a synonim for Instruction Pointer.
an affair is 'une affaire' (fem.) in French. The word 'affaire' can work as a synonim to business, or to a love affair.